Pillow



FIG. 1 is a front elevational view of a pillow showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view.

Light and dark shading in the drawing indicates color contrast. 

The ornamental design for a pillow, as shown and described. 